Calculate 62+31
If 87+92=18, 57+83=13, 12+61=4 then 62+31=?Correct answers: 118
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Francis DarwinBorn 16 Aug 1848; died 19 Sep 1925 at age 77. English botanist who was the third son of Charles Darwin, and published the results of his collaboration with his father in the publication of The Movement of Plants (1880). |